Abuse allows Meta and Yandex to attach persistent identifiers to detailed browsing histories. Credit: Aurich Lawson | Getty Images Credit: Aurich Lawson | Getty Images Tracking code that Meta and Russia-based Yandex embed into millions of websites is de-anonymizing visitors by abusing legitimate Internet protocols, causing Chrome and other browsers to surreptitiously send unique identifiers to native apps installed on a device, researchers have discovered. Google says it's investigating the abus...